*{
    margin: 0;
    padding: 0;
    text-decoration: none;
   
}
a{
    text-decoration: none;
}
a:hover{
    text-decoration: none;
}
.jiesuan{
    width: 40px;
    height: 40px;
    background-color:orangered;
    text-align: center;
    font-size: 18px;
    color: #fff;
    cursor: pointer;
    margin-top: 10px;
}
.jiesuan:hover{
    background-color: rgba(255,0,0,0.7);
}